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Norway ready to switch on salmon farming red light

Norway ready to switch on salmon farming red light

Norway’s fisheries minister Harald Nesvik has told a conference in Bergen that he intends to “turn on the red light” that signals a reduction in biomass for some sites under the country’s “traffic light” system for salmon farming.

Snorkel cage reduces sea lice infestation by 75%

Snorkel cage reduces sea lice infestation by 75%

A one-year commercial trial using salmon in snorkel cages resulted in a 75% decrease in the level of lice and as a result, the number of antiparasitic baths also decreased.

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'Environmentally-harmless' lice drug developed in Chile

'Environmentally-harmless' lice drug developed in Chile

A Chilean biotechnology consortium has applied to patent a new antiparasitic which it says produces 100% mortality in both larval-stage and adult sea lice in laboratory tests.

Study will test if bioactive feed can combat lice

Study will test if bioactive feed can combat lice

A new £300,000 study involving University of Stirling experts and a leading animal feed manufacturer is aiming to explore how certain feed ingredients can reduce infections in farmed fish.

Scientists attempt to get the jump on lice

Scientists attempt to get the jump on lice

Researchers from Norway and Australia have been testing a novel way of treating salmon for sea lice by forming a floating layer of oil and antiparasitic on the surface of the water.

Chile: Electric shock tactics used in battle against lice

Chile: Electric shock tactics used in battle against lice

A Chilean technology company has created a delousing system that uses electric current to loosen lice off farmed salmon. It estimates a reduction of 30% in the costs associated with treatments.

Silicon Valley lice counter inventor targets Scotland

Silicon Valley lice counter inventor targets Scotland

The Norwegian-American company Aquabyte, which develops systems for automatic lice counting through machine learning, has set its sights on Scotland and Canada after announcing that it has raised $10 million in a financing round to strengthen its growth.

Stingray creator shortlisted for European Inventor Award

Stingray creator shortlisted for European Inventor Award

The inventor of sea lice-killing laser system Stingray has been named as a finalist in the European Inventor Award 2019, run by the European Patent Office (EPO).

Sea lice ‘vacuum cleaner’ going on sale in Scotland

Sea lice ‘vacuum cleaner’ going on sale in Scotland

A device that can suck up sea lice like a vacuum cleaner has been launched on the Norwegian market by aquaculture supplier Vard Aqua and should be available in Scotland within a matter of weeks.

Cermaq Chile chooses SFI for mechanical delousing

Cermaq Chile chooses SFI for mechanical delousing

Salmon farmer Cermaq is to use a new mechanical system to tackle sea lice in Chile.

Scottish 2018 sea lice average is six-year low

Scottish 2018 sea lice average is six-year low

The amount the Scottish salmon industry spends annually on medicinal treatments against sea lice has fallen by 47% in the last three years to £9.7 million, the Scottish Salmon Producers’ Organisation (SSPO) said as it revealed average lice levels on farms last year were the lowest for six years.

Cooke upgrades to gentler Hydrolicer

Cooke upgrades to gentler Hydrolicer

Salmon farmer Cooke Aquaculture Scotland is upgrading its existing Hydrolicer, enabling it to treat bigger fish. New pumps mean delousing will also be gentler on the salmon.

Salinity and temperature must be considered in fight against lice

Salinity and temperature must be considered in fight against lice

The Institute of Marine Research in Norway has just published its final report on the FHF project “deep light and feeding”, which shows that feeding and lighting in the depth can be beneficial to avoid lice, but that salt content and temperature must also be taken into consideration.

Licence to chill: can cold water be the next weapon against sea lice?

Licence to chill: can cold water be the next weapon against sea lice?

Scientists from Norway and Australia who tried using very cold water to remove lice from salmon saw a positive effect in combatting the parasite but a negative effect on animal welfare.